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Climate and socio-economic scenarios for climate change research and assessment: reconciling the new with the old

A suggestion for mapping the Special Report on Emissions Scenarios (SRES) illustrative scenarios onto the new scenarios framework of representative concentration pathways (RCPs) and shared socio…

Assessment of climate and energy policies of major emitting countries

Since the 2009 climate negotiations in Copenhagen, many countries and regions have submitted quantitative economy-wide greenhouse gas emission reduction proposals and actions for 2020. The pledged…

Global Carbon Budget 2013

Accurate assessment of anthropogenic carbon dioxide (CO 2) emissions and their redistribution among the atmosphere, ocean, and terrestrial biosphere is important to better understand the global carbon…

The impact of near-term climate policy choices on technology and emission transition pathways

This paper explores the implications of delays (to 2030) in implementing optimal policies for long-term transition pathways to limit climate forcing to 450 ppm CO 2 equivalent on the basis of the…

Implications of alternative assumptions regarding future air pollution control in scenarios similar to the Representative Concentration Pathways

The uncertain, future development of emissions of short-lived trace gases and aerosols forms a key factor for future air quality and climate forcing. The Representative Concentration Pathways (RCPs)…

Energy demand and emissions of the non-energy sector

The demand for fossil fuels for non-energy purposes such as production of bulk chemicals is poorly understood. In this study we analyse data on non-energy demand and disaggregate it across key…

The effect of updated pledges and business-as-usual projections, and new agreed rules on expected global greenhouse gas emissions in 2020

Since the climate negotiations in Copenhagen (2009), many countries have pledged to reduce their greenhouse gas emissions by 2020. These pledges were 'anchored' in the 2010 Cancún Agreements. Since…

Non-Kyoto radiative forcing in long-run greenhouse gas emissions and climate change scenarios

Climate policies must consider radiative forcing from Kyoto greenhouse gases, as well as other forcing constituents, such as aerosols and tropospheric ozone that result from air pollutants. Non-Kyoto…

Mid- and long-term climate projections for fragmented and delayed-action scenarios

This paper explores the climate consequences of “delayed near-term action” and “staged accession” scenarios for limiting warming below 2 ° Celsius (C). The stabilization of greenhouse gas…

Trends in global CO2 emissions: 2013 report

Actual global emissions of carbon dioxide (CO 2) reached a new record of 34.5 billion tonnes in 2012. Yet, the increase in global CO 2 emissions in that year slowed down to 1.1% (or 1.4%, not…